A050447 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | | | 1 | | 3 | | 3 | | 1 |
| | | | | | | | | 1 | | 4 | | 6 | | 5 | | 1 |
| | | | | | | | 1 | | 5 | | 10 | | 14 | | 8 | | 1 |
| | | | | | | 1 | | 6 | | 15 | | 30 | | 31 | | 13 | | 1 |
| | | | | | 1 | | 7 | | 21 | | 55 | | 85 | | 70 | | 21 | | 1 |
| | | | | 1 | | 8 | | 28 | | 91 | | 190 | | 246 | | 157 | | 34 | | 1 |
| | | | 1 | | 9 | | 36 | | 140 | | 371 | | 671 | | 707 | | 353 | | 55 | | 1 |
| | | 1 | | 10 | | 45 | | 204 | | 658 | | 1547 | | 2353 | | 2037 | | 793 | | 89 | | 1 |
| | 1 | | 11 | | 55 | | 285 | | 1086 | | 3164 | | 6405 | | 8272 | | 5864 | | 1782 | | 144 | | 1 |
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A050447 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| | 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55
| | 1 | 5 | 14 | 30 | 55 | 91 | 140 | 204 | 285
| | 1 | 8 | 31 | 85 | 190 | 371 | 658 | 1086
| | 1 | 13 | 70 | 246 | 671 | 1547 | 3164
| | 1 | 21 | 157 | 707 | 2353 | 6405
| | 1 | 34 | 353 | 2037 | 8272
| | 1 | 55 | 793 | 5864
| | 1 | 89 | 1782
| | 1 | 144
| | 1
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A050447 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| | | 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55
| | | | 1 | 5 | 14 | 30 | 55 | 91 | 140 | 204 | 285
| | | | | 1 | 8 | 31 | 85 | 190 | 371 | 658 | 1086
| | | | | | 1 | 13 | 70 | 246 | 671 | 1547 | 3164
| | | | | | | 1 | 21 | 157 | 707 | 2353 | 6405
| | | | | | | | 1 | 34 | 353 | 2037 | 8272
| | | | | | | | | 1 | 55 | 793 | 5864
| | | | | | | | | | 1 | 89 | 1782
| | | | | | | | | | | 1 | 144
| | | | | | | | | | | | 1
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